<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-07-13</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001730346</issuerCik>
        <issuerName>Charah Solutions, Inc.</issuerName>
        <issuerTradingSymbol>CHRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001950086</rptOwnerCik>
            <rptOwnerName>Batarseh Jonathan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12601 PLANTSIDE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOUISVILLE</rptOwnerCity>
            <rptOwnerState>KY</rptOwnerState>
            <rptOwnerZipCode>40299</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isOther>true</isOther>
            <officerTitle>Former Chief Executive Officer</officerTitle>
            <otherText>Former Director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-07-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>14594</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Disposed of on July 13, 2023 (the &quot;Merger Date&quot;) as a result of the merger pursuant to the previously announced Agreement and Plan of Merger, dated as of April 16, 2023, by and among Charah Solutions, Inc. (the &quot;Company&quot;), Acquisition Parent 0423, Inc. and Acquisition Sub April 2023, Inc. (the &quot;Merger Agreement&quot;). Pursuant to the Merger Agreement, each issued and outstanding share of common stock, par value $0.01 per share, of the Company was converted on the Merger Date into the right to receive cash in the amount of $6.00 per share (the &quot;Merger Consideration&quot;).</footnote>
        <footnote id="F2">Amount includes 13,125 shares vested from the 2022 RSU, from which 3,977 shares were withheld to pay resulting taxes. On the Merger Date and pursuant to the Merger Agreement, the vested RSUs were converted into the right to receive the Merger Consideration.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jonathon Batarseh by Steven A. Brehm, attorney-in-fact</signatureName>
        <signatureDate>2023-07-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
